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3 years ago

F(x) -2x + 5; g(x) =3x²

Mathematics

1 answer:

Julli [10]3 years ago

4 0

The answer is c because you have the right mathmatics

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Joshep drove his grandmother’s house which is 252 miles away in 3.5 hours. If he continues at the same speed,approximately how l

Amanda [17]

Answer:

72 hours

Step-by-step explanation:

5 0

2 years ago

Find the solution of this system of equations.

Elenna [48]

<span>-4x + y = -25 y = 4x - 25

-6x - 6y = 0 </span>

-6x - 6(4x - 25) = 0
-6x - 24x + 150 = 0
-30x + 150 = 0
-30x = -150
x = 5

y = 4(5) - 25
y = 20 - 25
y = -5

(5, -5)

8 0

3 years ago

Plz help me on this its my last question and im stuck on it

Minchanka [31]

i believe the correct answer is 163

4 0

3 years ago

Y = f(x) = 16x Find f(x) when x = 1/2

Alina [70]

Answer:

The answer depends on what the problem really is.

f(1/2) = 8

f(1/2) = 4

See below.

Step-by-step explanation:

This is the problem as it was posted:

y = f(x) = 16x

Let x = 1/2

y = f(1/2) = 16(1/2) = 8

Perhaps the problem is this:

$y = f(x) = 16^x$

If x is an exponent of 16 and not a factor, then the answer is:

$y = f(\frac{1}{2}) = 16^\frac{1}{2} = \sqrt{16} = 4$

5 0

3 years ago

What is the volume of the pyramid 7x7x8

dolphi86 [110]

Answer:

The volume of the pyramid is $130\frac{2}{3}\ units^{3}$

Step-by-step explanation:

we know that

The volume of the pyramid is equal to

$V=\frac{1}{3}BH$

where

B is the area of the base

H is the height of the pyramid

In this problem we have a square base

$B=7^{2} =49\ units^{2}$

we have

$H=8\ units$

substitute

$V=\frac{1}{3}(49)(8)=\frac{392}{3}\ units^{3}$

Convert to mixed number

$\frac{392}{3}=\frac{390}{3}+\frac{2}{3}=130\frac{2}{3}\ units^{3}$

8 0

3 years ago

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